jlab0504b.java

计算机系学习java的专用ppt

interface  Pet{
   public abstract String getName();
   public abstract String move();
   public abstract String speak();
   public abstract String toString();
   }
class Cat  implements Pet{
   protected int weight;
   public String name;
   public Cat(String s){
      name=s;
      }
   public String speak(){
      return "miao miao";
     }   
   public String move(){
      return "run";
     } 
   public String getName(){
      return name;
      }
   public String toString(){
       return "My pet"+name;
       }     
    }
  class JLab0504B{
    public static void main(String[] args){
     
      Cat mycat=new Cat("spot");
      
                         
      System.out.println(mycat.toString()+"\n"+"speak:"+
                         mycat.speak()+"\n"+mycat.move()+" "
                         +mycat.getName()+"\n");  
       }
      }